How to Train Your Dragon Wiki
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These weird animals are often used as primitive burglar-alarm systems. They have no legs to chase after their prey, so they lie on their backs waving their extra-long nails gently in the air, Any animal that comes into contact with those nails causes the whole pack of Squealers to scream unbearably loudly. The sound is so piercingly noisy that it actually kills smaller dragons (who have much better hearing than humans) stone dead on the spot. The Squealers then devour their victim, and rather like piranha fish, they can strip an animal to the bone in sixty seconds flat.
  — Book 4  

Squealers are a species of dragon seen in How to Cheat a Dragon's Curse.

To Note: There is some discrepancy between the Dragon info card and The Incomplete Book of Dragons, versus the "Viking Dragons and their Eggs" info sheet.

Physical Appearance

Squealers are strange slug-like creatures, with dark coloring. They only have forelimbs that have extremely long claws. Their wings are only vestigial and cannot fly.

Squealer eggs are exactly the same size, shape, and consistency as rabbit poop, but with an extra long nail growing out the top.


Squealers are so lazy they have developed an interesting method of stunning their prey by screaming. Squealers have no legs, so lie on their backs and gently wave their extremely long nails in the air. The moment anything touches their up-right nails, the Squealers let out a piercing shriek that can stun its victim, or even kill smaller animals. The Squealers then rapidly devour the dead or stunned creature, stripping it to the bone in one minute.


Squealers are not trained per se, but are utilized by humans. These slimy dragons only move if it's life or death situation. Due to the Squealers' squealing, Vikings use them as a living alarm system.


How to Cheat a Dragon's Curse

Squealers are seen guarding Norbert the Nutjob's father Bigjob. Hiccup accidentally released them and they ate Bigjob.

The Incomplete Book of Dragons

Squealers and their eggs make an appearance in this reference book.



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